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. 2022 Nov 23;10:1000657. doi: 10.3389/fped.2022.1000657

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© 2022 Pinto Cardoso, Lagrée-Chastan, Caseris, Gaudelus, Haas, Leroy, Bakhache, Pujol, Werner, Dommergues, Pauquet and Pinquier.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Notification rates of confirmed cases* (N/100,000) from 1999^† to 2019 by country and by serogroup. BE, Belgium; DE, Germany; ES, Spain; FR, France; IT, Italy; NL, Netherlands; PT, Portugal; UK, United Kingdom. *Confirmed case of IMD is defined as any person meeting at least one of the following laboratory criteria: isolation of N. meningitidis from a normally sterile site, or purpuric skin lesions; detection of N. meningitidis nucleic acid from a normally sterile site, or purpuric skin lesions; detection of N. meningitidis antigen in cerebrospinal fluid; detection of Gram-negative stained diplococcus in cerebrospinal fluid. ^†No data for PT in 1999. Arrows indicate vaccination introduction; pattern fills indicate the country introducing vaccination in its vaccination program.